What is ASN AS263478?

ASN AS263478 is an Autonomous System Number used to identify a network for BGP internet routing.

Who manages ASN AS263478?

AS263478 is listed under DUFIBRANET TELECOM LTDA.

What do peers, upstreams, and downstreams mean in ASN data?

Peers are lateral network interconnections, upstreams are transit providers, and downstreams are customer networks receiving connectivity.

What are routes and IP ranges for an ASN?

Routes and IP ranges are the network prefixes announced by the ASN on the internet and show the address space it originates.

Why is WHOIS data shown for an ASN?

WHOIS data provides registration and contact context for ASN ownership, administration, and operational reference.

How can I access the full ASN tables?

The page shows a preview of large ASN datasets. Use the page controls to load more rows, and upgrade to a paid plan for complete access.

AS263478 DUFIBRANET TELECOM LTDA

ASN Lookup Tool

DUFIBRANET TELECOM LTDA dufibranet.com.br

BR 37 Routes

AS Data

AS263478

AS263478 – DUFIBRANET TELECOM LTDA

AS Number	263478
AS Name	46.973.663/0001-93
Organization	DUFIBRANET TELECOM LTDA
Country	BR
Website	dufibranet.com.br
Number of IPv4 Routes	26
Number of IPv6 Routes	11
ASN type	ISP
Registry	lacnic
Date Allocated	2013-12-19

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Use ASN data for AS263478 in automation: routing intelligence, peering analysis, ownership checks, and network observability.

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IP Ranges

Route	Origin	Origin Name	ISP	# IPs
138.204.83.0/24	AS263478	DUFIBRANET TELECOM LTDA	DUFIBRANET TELECOM LTDA, BR	256
45.226.232.0/24	AS263478	DUFIBRANET TELECOM LTDA	DUFIBRANET TELECOM LTDA	256
2804:1278:e000::/40	AS263478	DUFIBRANET TELECOM LTDA	DUFIBRANET TELECOM LTDA	~309×10²⁴
191.242.192.0/23	AS263478	DUFIBRANET TELECOM LTDA	rodrigo avelar de souza 96737794653 - me	512
191.242.192.0/24	AS263478	DUFIBRANET TELECOM LTDA	rodrigo avelar de souza 96737794653 - me	256
2804:1278:9100::/40	AS263478	DUFIBRANET TELECOM LTDA	DUFIBRANET TELECOM LTDA	~309×10²⁴
2804:1278:4000::/36	AS263478	DUFIBRANET TELECOM LTDA	DUFIBRANET TELECOM LTDA	~5×10²⁷
170.83.182.0/24	AS263478	DUFIBRANET TELECOM LTDA	DUFIBRANET TELECOM LTDA	256
45.226.232.0/22	AS263478	DUFIBRANET TELECOM LTDA	DUFIBRANET TELECOM LTDA	1024
138.204.82.0/24	AS263478	DUFIBRANET TELECOM LTDA	DUFIBRANET TELECOM LTDA, BR	256

Raw Whois Response

% Copyright (c) Nic.br - Use of this data is governed by the Use and
% Privacy Policy at https://registro.br/upp . Distribution,
% commercialization, reproduction, and use for advertising or similar
% purposes are expressly prohibited.
% 2026-04-10T09:19:56-03:00 - 136.227.165.70

aut-num:     AS263478
owner:       DUFIBRANET TELECOM LTDA
ownerid:     46.973.663/0001-93
responsible: RENARD MENDES BATISTA
country:     BR
owner-c:     REMBA42
routing-c:   REMBA42
abuse-c:     NODUF
created:     20131219
changed:     20231117
inetnum:     191.242.192.0/22
inetnum:     2804:1278::/32
inetnum:     138.204.80.0/22
inetnum:     170.83.180.0/22
inetnum:     200.5.32.0/22
inetnum:     45.226.232.0/22

nic-hdl-br:  REMBA42
person:      Renard Mendes Batista
e-mail:      renard@dufibranet.com.br
country:     BR
created:     20131007
changed:     20251215

nic-hdl-br:  NODUF
person:      NOC DUFIBRANET
e-mail:      noc@dufibranet.com.br
country:     BR
created:     20200120
changed:     20200207

% Security and mail abuse issues should also be addressed to cert.br,
% respectivelly to cert@cert.br and mail-abuse@cert.br
%
% whois.registro.br only accepts exact match queries for domains,
% registrants, contacts, tickets, providers, IPs, and ASNs.

Parsed Whois Response

{
  "status" : true,
  "whois_server" : "whois.lacnic.net",
  "aut_nums" : [ {
    "aut_num" : "AS263478",
    "country" : "BR",
    "admin_contacts" : [ "REMBA42" ],
    "tech_contacts" : [ "REMBA42" ],
    "abuse_contacts" : [ "NODUF" ],
    "date_created" : "2013-12-19",
    "date_updated" : "2023-11-17",
    "source" : "lacnic"
  } ],
  "organization" : {
    "handle" : "46.973.663/0001-93",
    "name" : "DUFIBRANET TELECOM LTDA",
    "country" : [ "BR" ],
    "abuse_contacts" : [ "NODUF" ],
    "date_created" : "2013-12-19",
    "date_updated" : "2023-11-17",
    "source" : "lacnic"
  },
  "administrative_contacts" : [ {
    "handle" : "REMBA42",
    "country" : "BR",
    "email" : [ "renard@dufibranet.com.br" ],
    "date_created" : "2013-10-07",
    "date_updated" : "2025-12-15",
    "source" : "lacnic"
  } ],
  "technical_contacts" : [ {
    "handle" : "REMBA42",
    "country" : "BR",
    "email" : [ "renard@dufibranet.com.br" ],
    "date_created" : "2013-10-07",
    "date_updated" : "2025-12-15",
    "source" : "lacnic"
  } ],
  "abuse_contacts" : [ {
    "handle" : "NODUF",
    "country" : "BR",
    "email" : [ "noc@dufibranet.com.br" ],
    "date_created" : "2020-01-20",
    "date_updated" : "2020-02-07",
    "source" : "lacnic"
  } ]
}

Peers

AS Number	Description	Country
AS268624	Gamers Club Ltda	BR
AS11432	Telium Telecomunicaï¿½ï¿½es Ltda	BR
AS262589	SAMM TECNOLOGIA E TELECOMUNICACOES S.A	BR
AS6939	Hurricane Electric LLC	US
AS266142	Bahiadados Telecom Ltda.	BR
AS14537	Continent 8 LLC	US
AS271523	R.P.L.S. PROVEDOR DE INTERNET EIRELI	BR
AS263283	JGNET - J G DE OLIVEIRA MATOS & CIA LTDA	BR
AS199524	G-Core Labs S.A.	LU
AS271253	LINK BRASIL TELECOMUNICACOES LTDA	BR

Upstreams

AS Number	Description	Country
AS39120	Convergenze S.p.A.	IT
AS35280	F5 Networks SARL	FR
AS263444	Open X Tecnologia Ltda	BR
AS6939	Hurricane Electric LLC	US
AS269096	N&K TECNOLOGIA LTDA	BR
AS6057	Administracion Nacional de Telecomunicaciones	UY

Downstreams

AS Number	Description	Country
AS271523	R.P.L.S. PROVEDOR DE INTERNET EIRELI	BR
AS268188	ATIVA TELECOM LTDA	BR
AS268071	GRUPO TDKOM	BR
AS268990	Inforfelixnet Telecomunicações Ltda ME	BR
AS266397	UNINET TELECOM E INFORMÁTICA EIRELLI ME	BR
AS263453	INOVANET INFORMATICA E PAPELARIA LTDA ME	BR
AS263519	Minas Nova Telecom LTDA	BR
AS265025	PAINEIRAS NET TELECOM EIRELI ME	BR